Space may seem empty, but it's actually a dynamic place populated with near-invisible matter, and dominated by forces, in particular those created by magnetic fields. Magnetospheres—the magnetic fields around most planets—exist ...
Space Exploration
Nov 1, 2017
0
731
It was a proud but sad moment when NASA announced that mission control had lost the signal from the Cassini spacecraft on September 15. As it takes the signal over an hour to travel from Saturn to Earth, this meant that the ...
Space Exploration
Sep 19, 2017
0
4
More than 30 years after Voyager 2 sped past Uranus, Georgia Institute of Technology researchers are using the spacecraft's data to learn more about the icy planet. Their new study suggests that Uranus' magnetosphere, the ...
Space Exploration
Jun 26, 2017
1
181
Every day, invisible magnetic explosions are happening around Earth, on the surface of the sun and across the universe. These explosions, known as magnetic reconnection, occur when magnetic field lines cross, releasing stored ...
Space Exploration
Mar 9, 2017
0
12
The ancients believed that the Earth was surrounded by celestial spheres, which produced divine music when they moved. We lived, so to speak, in a huge musical instrument. This may sound silly but modern science has proved ...
Earth Sciences
Feb 23, 2017
0
92
On Sept. 15, 2016, NASA's Magnetospheric Multiscale, or MMS, mission achieved a new record: Its four spacecraft are flying only four-and-a-half miles apart, the closest separation ever of any multi-spacecraft formation. The ...
Space Exploration
Sep 21, 2016
1
12
Solar wind forms the energy source for aurora explosions. How does the Earth's magnetosphere take in the energy of the solar wind? An international team led by Hiroshi Hasegawa and Naritoshi Kitamura (ISAS/JAXA) analyzed ...
Space Exploration
Jul 22, 2016
28
141
Earth's atmosphere is leaking. Every day, around 90 tonnes of material escapes from our planet's upper atmosphere and streams out into space. Although missions such as ESA's Cluster fleet have long been investigating this ...
Space Exploration
Jul 8, 2016
17
3275
NASA's Jupiter-bound Juno spacecraft has entered the planet's magnetosphere, where the movement of particles in space is controlled by what's going on inside Jupiter.
Space Exploration
Jul 1, 2016
12
101
(Phys.org)—An international team of researchers working on a project that involves monitoring and studying data received from a group of satellites that has been stationed very close to one another in orbit, has observed ...
